i'm using smtp "127.0.0.1" and smtp port "25" to send the mail. My application is working fine but mail is not sending. What i've to do for it. need some suggession.

Hosted server or local machine? In case of the latter, do you have a mail server installed?

PHP supports smtp only for windows - are you on a Linux machine? you should use the mail() function in php and then configure the sendmail daemon on the host if you are.

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